Dennis Schroeder/NREL
Ask a Scientist
Our monthly ‘Ask a Scientist’ column answers questions that come from UCS members and supporters.
Dennis Schroeder/NREL
Esri/OpenStreetMap
Wikimedia Commons/ The Council of the Federation of the Federal Assembly of the Russian Federation
Video still by @damiengayle
Dave Center/Flickr
Michael Fleshman/Flickr
AP Photo/David Goldman
General Motors
Shutterstock/Casimiro PT
Source: Marcia Cassidy Communications
BanksPhotos/iStock
HarshLight/Flickr
Lou Oates/iStock
EVgo Network/flickr
Ortal Ullman/UCS
Olivier Lantzendorffer/iStock.com
Lance Cheung/USDA
Shutterstock: Logoboom
MIchael Fleshman/Flickr
felixkramer/Creative Commons (Flickr)
Will von Dauster, NOAA
DOD
Baltimore County Government
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